| When ALH 84001 was analysed, however, some astrobiologists suggested that the conventional explanation might be wrong. |
| The question of whether life could have evolved on another planet has always been the big question, the Holy Grail, for astrobiologists and planetary scientists alike. |
| If so, it will boost the hopes of astrobiologists who believe Europa might also be capable of supporting some form of life. |
| Already, NASA has withdrawn from a collaboration with the European Space Agency that would have launched the missions in 2016 and 2018, angering the Europeans and disappointing astrobiologists and planetary scientists. |
| It's now respectable amongst astrobiologists to consider the possibility of life in the clouds of Venus. |
| The astrobiologists involved with Project Viking suspect that Mars might be an inherently inhospitable environment for life. |
